Why yes you can Marty.
My daily or as I think of it my maintenance vape, is 100% unflavored VG that I dilute 12 or 13% with vodka.
I don't taste alcohol at all and it does give a very slight bit of throat hit to it.
The most recent batch I made up I used Makers Mark. Meh.
I can taste the bourbon, albeit slightly, but it tastes like very watered down bourbon. I'll be stickin' with the vodka in the future.
ETA: I make up batches of 18ml at a time, this will last me about a week and a half. I've yet to have it taste bad, either just after mixing it up or days later.
Whenever I use water to thin the VG the resultant vape tastes..... watery.
You can vape yer vodka and drink it too!!